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KUOYUH was founded in 1991,which specialized in engineering, developing,producing and selling the Thermal Circuit Breaker products ( Circuit Breaker is also called restorable switch,over-current protector ,It’ll power off to avoid any damage on the conditionthat the circuit is overload fuse, At present, this product has been widely used in smallhome appliances, small power generators, air compressors, motors, electric vehicles,power tools, to extend the line, transformers.etc
More than ten years continuous research and development,At present we have owned the furtherest technology ability and management ability,as a professional factory KUOYUH(DONGGUAN)ENTERPRISE CO.,LTD.. in the succession of company 's products and based on advanced management technology. Also invest a lot of money, the introduction of senior technical personnel and the purchase of a large number of advanced production and testing equipment, and constantly develop new products to meet customer demand. In 2005 the company successfully passed the ISO9001: 2000international quality management system certification.

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